Search the Community

Here a little tool to display the histogram of an image (inspired by this thread): ) ;#AutoIt3Wrapper_Icon=Histogram1.ico #AutoIt3Wrapper_Compile_Both=y ;#AutoIt3Wrapper_Res_Field=CompanyName|UEZ Software Development ;#AutoIt3Wrapper_Res_Field=ProductName|GDI+ Show Histogram ;#AutoIt3Wrapper_Res_Field=ProductVersion|%AutoItVer% #AutoIt3Wrapper_Res_Fileversion=0.9.8.0 ;#AutoIt3Wrapper_Res_Field=Build|2015-07-10 #AutoIt3Wrapper_Res_LegalCopyright=UEZ Software Development #AutoIt3Wrapper_Res_Language=1033 ;#AutoIt3Wrapper_Res_Field=URL|http://www.autoitscript.com/forum/index.php?showtopic=147777 #AutoIt3Wrapper_Run_Au3Stripper=y #Au3Stripper_Parameters=/so /pe /rm #AutoIt3Wrapper_Run_After=del /f /q "%scriptdir%\%scriptfile%_stripped.au3" #AutoIt3Wrapper_UseUpx=y #AutoIt3Wrapper_UPX_Parameters=--best --lzma #AutoIt3Wrapper_Run_After=upx.exe --best --lzma "GDI+ Show Histogram_x64.exe" #AutoIt3Wrapper_UseX64=n #include <Constants.au3> #include <GUIConstantsEx.au3> #include <GDIPlus.au3> #include <WindowsConstants.au3> Opt("MustDeclareVars", 1) Opt("MouseCoordMode", 2) _GDIPlus_Startup() If @error Then Exit MsgBox(0x40010, "Error", "GDI+ Show Histogram can run on operating systems Vista or newer only!") Global $ghGDIPDll = $__g_hGDIPDll, $aRes Global Const $hFullScreen = WinGetHandle("[TITLE:Program Manager;CLASS:Progman]") Global Const $aFullScreen = WinGetPos($hFullScreen) Global Enum $HistogramFormatARGB, $HistogramFormatPARGB, $HistogramFormatRGB, $HistogramFormatGray, _ ;http://msdn.microsoft.com/en-us/library/windows/desktop/ms534129(v=vs.85).aspx $HistogramFormatB, $HistogramFormatG, $HistogramFormatR, $HistogramFormatA Global $tStructChannel0 = DllStructCreate("uint channel0[256]") Global $pStructChannel0 = DllStructGetPtr($tStructChannel0) Global $tStructChannel1 = DllStructCreate("uint channel1[256]") Global $pStructChannel1 = DllStructGetPtr($tStructChannel1) Global $tStructChannel2 = DllStructCreate("uint channel2[256]") Global $pStructChannel2 = DllStructGetPtr($tStructChannel2) Global $tStructChannel3 = DllStructCreate("uint channel3[256]") Global $pStructChannel3 = DllStructGetPtr($tStructChannel3) Global $s, $sFile, $hImage, $bImgLoaded = False, $aLuminosity[257], $aCRGB[257] Global Const $STM_SETIMAGE = 0x0172, $iLineJoinBevel = 1, $frY = 0.299, $fgY = 0.587, $fbY = 0.114 Global Const $hGUI = GUICreate("GDI+ Show Histogram v0.98 beta by UEZ build 2015-07-13", 468, 310, -1, -1, Default, Default) GUISetBkColor(0xFFFFFF, $hGUI) Global Const $sLabel_Titel_Txt = "GDI+ Show Histogram" Global Const $iPosX_Label = 20, $iPosY_Label = 12 Global Const $iLabel_Titel_Shadow = GUICtrlCreateLabel($sLabel_Titel_Txt, $iPosX_Label, $iPosY_Label, 429, 57) GUICtrlSetFont(-1, 30, 400, 0, "Comic Sans MS", 4) GUICtrlSetColor(-1, 0xC0C0D8) Global Const $iLabel_Titel = GUICtrlCreateLabel($sLabel_Titel_Txt, $iPosX_Label - 4, $iPosY_Label - 4, 429, 57) GUICtrlSetFont(-1, 30, 400, 0, "Comic Sans MS", 4) GUICtrlSetColor(-1, 0x0000C0) GUICtrlSetBkColor(-1, -2) Global Const $iPic_Histogram = GUICtrlCreatePic("", 20, 90, 255, 127, -1, $WS_EX_STATICEDGE) GUICtrlSetCursor(-1, 14) Global Const $iPic_ColorGradient = GUICtrlCreatePic("", 20, 220, 255, 24, -1, $WS_EX_STATICEDGE) Global Const $iGroup = GUICtrlCreateGroup("Channel", 290, 84, 160, 164) Global Const $iRadio_L = GUICtrlCreateRadio("Luminosit&y (gray)", 300, 100, 110, 20) GUICtrlSetTip(-1, $frY & "*R, " & $fgY & "*G, " & $fbY & "*B") GUICtrlSetState($iRadio_L, $GUI_CHECKED) Global Const $iRadio_C = GUICtrlCreateRadio("&cRGB", 300, 130, 60, 20) GUICtrlSetTip(-1, "Combined average of RGB values") Global Const $iRadio_R = GUICtrlCreateRadio("&Red", 300, 160, 60, 20) Global Const $iRadio_G = GUICtrlCreateRadio("&Green", 300, 190, 60, 20) Global Const $iRadio_B = GUICtrlCreateRadio("&Blue", 300, 220, 60, 20) GUICtrlCreateGroup("", -99, -99, 1, 1) Global Const $iButton_Save = GUICtrlCreateButton("&Save", 209, 265, 70, 30) GUICtrlSetTip(-1, "Click button to save all histogram images") GUICtrlSetState(-1, $GUI_DISABLE) Global Const $iButton_Load = GUICtrlCreateButton("&Load", 290, 265, 70, 30) GUICtrlSetTip(-1, "Click button to load an image") Global Const $iButton_Exit = GUICtrlCreateButton("E&xit", 390, 265, 60, 30) Global $sLabelCredit_Txt = "coded by UEZ'13" Global $aLabelCredit_Pos[StringLen($sLabelCredit_Txt)][4], $u, $iFS = 6.5, $iY = 280 For $u = 0 To UBound($aLabelCredit_Pos) - 1 $aLabelCredit_Pos[$u][0] = StringMid($sLabelCredit_Txt, $u + 1, 1) $aLabelCredit_Pos[$u][1] = 20 + $u * ($iFS - 0.25) $aLabelCredit_Pos[$u][2] = $iY $aLabelCredit_Pos[$u][3] = GUICtrlCreateLabel($aLabelCredit_Pos[$u][0], $aLabelCredit_Pos[$u][1], $aLabelCredit_Pos[$u][2], $iFS, $iFS * 1.8) GUICtrlSetFont(-1, $iFS, 400, 0, "Comic Sans MS", 2) GUICtrlSetColor(-1, 0x006000) Next Global $aLabelCredit_AnimPos[300] For $u = 0 To UBound($aLabelCredit_AnimPos) - 1 $aLabelCredit_AnimPos[$u] = $iY Next Global Const $fLimes = 2.2, $fStep = 0.1 Global $iPT = 0, $z = Int((UBound($aLabelCredit_AnimPos) - ($fLimes * $fStep * 100)) / 2) For $u = 0 To $fLimes Step $fStep $aLabelCredit_AnimPos[$z] = $iY + Sin($iPT * 4) * 10 $z += 1 $iPT += 0.075 Next Global $ihGui_PreviewSize = 256, $iBGColor = 0xF0F0F0 Global $hGui_Preview = GUICreate("", $ihGui_PreviewSize, $ihGui_PreviewSize + 58, -1, -1, $WS_POPUP + $WS_BORDER, $WS_EX_TOPMOST, $hGUI) Global $iPic_Preview = GUICtrlCreatePic("", 0, 0, $ihGui_PreviewSize, $ihGui_PreviewSize) Global $idLabel_Info = GUICtrlCreateLabel("", 0, $ihGui_PreviewSize, $ihGui_PreviewSize * 2, 58) GUICtrlSetFont(-1, 8.5, 400, 0, "Arial", 5) GUICtrlSetColor(-1, $iBGColor) GUICtrlSetBkColor(-1, 0x333333) Global Const $hTexture_Checkerboard = _GDIPlus_CreateCheckerboardTexture(8, 0xFFFBFBFB, 0xFFFFFFFF) Global $hHBmp_L = _GDIPlus_CreateColorGradient("L", 256, 24) Global $hHBmp_C = _GDIPlus_CreateColorGradient("C", 256, 24) Global $hHBmp_R = _GDIPlus_CreateColorGradient("R", 256, 24) Global $hHBmp_G = _GDIPlus_CreateColorGradient("G", 256, 24) Global $hHBmp_B = _GDIPlus_CreateColorGradient("B", 256, 24) Global Const $hHBmp_HL = _GDIPlus_BitmapCreateFromScan0(256, 127) Global Const $hCtxt_HL = _GDIPlus_ImageGetGraphicsContext($hHBmp_HL) Global Const $hHBmp_HC = _GDIPlus_BitmapCloneArea($hHBmp_HL, 0, 0, 256, 127, 0x0026200A) Global Const $hCtxt_HC = _GDIPlus_ImageGetGraphicsContext($hHBmp_HC) Global Const $hHBmp_HR = _GDIPlus_BitmapCloneArea($hHBmp_HL, 0, 0, 256, 127, 0x0026200A) Global Const $hCtxt_HR = _GDIPlus_ImageGetGraphicsContext($hHBmp_HR) Global Const $hHBmp_HG = _GDIPlus_BitmapCloneArea($hHBmp_HL, 0, 0, 256, 127, 0x0026200A) Global Const $hCtxt_HG = _GDIPlus_ImageGetGraphicsContext($hHBmp_HG) Global Const $hHBmp_HB = _GDIPlus_BitmapCloneArea($hHBmp_HL, 0, 0, 256, 127, 0x0026200A) Global Const $hCtxt_HB = _GDIPlus_ImageGetGraphicsContext($hHBmp_HB) _GDIPlus_GraphicsClear($hCtxt_HL, 0xFFFFFFFF) _hBmpToPicControl($iPic_ColorGradient, $hHBmp_L) Global $hB_H = _GDIPlus_BitmapCreateHBITMAPFromBitmap($hHBmp_HL) _hBmpToPicControl($iPic_Histogram, $hB_H, 1) GUISetState(@SW_HIDE, $hGui_Preview) GUISetState(@SW_SHOW, $hGUI) ControlFocus($hGUI, "", $iButton_Load) Global $hPen_H = _GDIPlus_PenCreate() $s = "L" Global $iDummyL = GUICtrlCreateDummy(), $iDummyC = GUICtrlCreateDummy(), $iDummyR = GUICtrlCreateDummy(), $iDummyG = GUICtrlCreateDummy(), $iDummyB = GUICtrlCreateDummy() Global $iHistogramFormat, $hHBmp_Preview, $aPosCtrl, $aPosWin, $aMouseInfo, $aPos_hWnd, $imp, $iVal, $iMpos_oldx, $iMpos_oldy, $sType, $iPaletteType, $iPixelFormat Global $fAverage_L, $fAverage_cRGB, $iAverage_R, $iAverage_B, $iAverage_G, $o = 0 Global $bShow = False, $bHide = False, $bIsAlpha = False, $bIsGray = False Global Const $iEntries = 256 Global Const $tagCOLORPALETTE = "uint Flags;" & _ ; Palette flags "uint Count;" & _ ; Number of color entries "uint ARGB[" & $iEntries & "];" ; Palette color AdlibRegister("AnimateLabel", 60) While 1 Switch GUIGetMsg() Case $GUI_EVENT_CLOSE, $iButton_Exit AdlibUnRegister("AnimateLabel") GUIDelete($hGui_Preview) GUIDelete($hGUI) _WinAPI_DeleteObject($hHBmp_L) _WinAPI_DeleteObject($hHBmp_C) _WinAPI_DeleteObject($hHBmp_L) _WinAPI_DeleteObject($hHBmp_R) _WinAPI_DeleteObject($hHBmp_G) _WinAPI_DeleteObject($hHBmp_B) If $hHBmp_Preview Then _WinAPI_DeleteObject($hHBmp_Preview) _GDIPlus_PenDispose($hPen_H) _GDIPlus_BrushDispose($hTexture_Checkerboard) _GDIPlus_GraphicsDispose($hCtxt_HL) _GDIPlus_GraphicsDispose($hCtxt_HC) _GDIPlus_GraphicsDispose($hCtxt_HR) _GDIPlus_GraphicsDispose($hCtxt_HG) _GDIPlus_GraphicsDispose($hCtxt_HB) _GDIPlus_BitmapDispose($hHBmp_HL) _GDIPlus_BitmapDispose($hHBmp_HC) _GDIPlus_BitmapDispose($hHBmp_HR) _GDIPlus_BitmapDispose($hHBmp_HG) _GDIPlus_BitmapDispose($hHBmp_HB) _GDIPlus_Shutdown() $tStructChannel0 = 0 $tStructChannel1 = 0 $tStructChannel2 = 0 $tStructChannel3 = 0 Exit Case $iRadio_L, $iDummyL If $s <> "L" Then _hBmpToPicControl($iPic_ColorGradient, $hHBmp_L) If $bImgLoaded Then $hB_H = _GDIPlus_BitmapCreateHBITMAPFromBitmap($hHBmp_HL) _hBmpToPicControl($iPic_Histogram, $hB_H, 1) EndIf $s = "L" EndIf Case $iRadio_C, $iDummyC If $s <> "C" Then _hBmpToPicControl($iPic_ColorGradient, $hHBmp_C) If $bImgLoaded Then $hB_H = _GDIPlus_BitmapCreateHBITMAPFromBitmap($hHBmp_HC) _hBmpToPicControl($iPic_Histogram, $hB_H, 1) EndIf $s = "C" EndIf Case $iRadio_R, $iDummyR If $s <> "R" Then _hBmpToPicControl($iPic_ColorGradient, $hHBmp_R) If $bImgLoaded Then $hB_H = _GDIPlus_BitmapCreateHBITMAPFromBitmap($hHBmp_HR) _hBmpToPicControl($iPic_Histogram, $hB_H, 1) EndIf $s = "R" EndIf Case $iRadio_G, $iDummyG If $s <> "G" Then _hBmpToPicControl($iPic_ColorGradient, $hHBmp_G) If $bImgLoaded Then $hB_H = _GDIPlus_BitmapCreateHBITMAPFromBitmap($hHBmp_HG) _hBmpToPicControl($iPic_Histogram, $hB_H, 1) EndIf $s = "G" EndIf Case $iRadio_B, $iDummyB If $s <> "B" Then _hBmpToPicControl($iPic_ColorGradient, $hHBmp_B) If $bImgLoaded Then $hB_H = _GDIPlus_BitmapCreateHBITMAPFromBitmap($hHBmp_HB) _hBmpToPicControl($iPic_Histogram, $hB_H, 1) EndIf $s = "B" EndIf Case $iButton_Load $sFile = FileOpenDialog("Select an image", "", "Images (*.jpg;*.png;*.bmp;*.gif)", 3) If @error Then ContinueCase If $bImgLoaded Then _GDIPlus_ImageDispose($hImage) $hImage = _GDIPlus_ImageLoadFromFile($sFile) If @error Then MsgBox(0x40010, "Error", "Unable to load image", 30) ContinueCase EndIf GUICtrlSetState($iButton_Save, $GUI_ENABLE) $aRes = _GDIPlus_ImageGetFlags($hImage) If BitAND($aRes[0], $GDIP_IMAGEFLAGS_HASALPHA) Then $bIsAlpha = True Else $bIsAlpha = False EndIf If BitAND($aRes[0], $GDIP_IMAGEFLAGS_COLORSPACE_GRAY) Then $bIsGray = True Else $bIsGray = False EndIf $hHBmp_Preview = _GetImage($sFile, $ihGui_PreviewSize, $iBGColor) _hBmpToPicControl($iPic_Preview, $hHBmp_Preview, 1) If Not $bIsAlpha Then $pStructChannel3 = 0 $iHistogramFormat = $HistogramFormatRGB Else $pStructChannel3 = DllStructGetPtr($tStructChannel3) $iHistogramFormat = $HistogramFormatARGB EndIf _GDIPlus_BitmapGetHistogram($hImage, $iHistogramFormat, _GDIPlus_BitmapGetHistogramSize($iHistogramFormat), $pStructChannel0, $pStructChannel1, $pStructChannel2, $pStructChannel3) _GDIPlus_CreateHistogram() $bImgLoaded = True If BitAND(GUICtrlRead($iRadio_L), $GUI_CHECKED) Then $s = "" GUICtrlSendToDummy($iDummyL) ElseIf BitAND(GUICtrlRead($iRadio_C), $GUI_CHECKED) Then $s = "" GUICtrlSendToDummy($iDummyC) ElseIf BitAND(GUICtrlRead($iRadio_R), $GUI_CHECKED) Then $s = "" GUICtrlSendToDummy($iDummyR) ElseIf BitAND(GUICtrlRead($iRadio_G), $GUI_CHECKED) Then $s = "" GUICtrlSendToDummy($iDummyG) Else $s = "" GUICtrlSendToDummy($iDummyB) EndIf Case $iButton_Save If $sFile = "" Then ContinueLoop $sType = "png" $o += _GDIPlus_ImageSaveToFile($hHBmp_HL, StringRegExpReplace($sFile, "(.*)\..*", "$1") & "_Luminosity." & $sType) $o += _GDIPlus_ImageSaveToFile($hHBmp_HC, StringRegExpReplace($sFile, "(.*)\..*", "$1") & "_cRGB." & $sType) $o += _GDIPlus_ImageSaveToFile($hHBmp_HR, StringRegExpReplace($sFile, "(.*)\..*", "$1") & "_Red." & $sType) $o += _GDIPlus_ImageSaveToFile($hHBmp_HG, StringRegExpReplace($sFile, "(.*)\..*", "$1") & "_Green." & $sType) $o += _GDIPlus_ImageSaveToFile($hHBmp_HB, StringRegExpReplace($sFile, "(.*)\..*", "$1") & "_Blue." & $sType) If $o = 5 Then MsgBox(64 + 262144, "Information", "Images properly saved to " & StringRegExpReplace($sFile, "(.*)\\.*", "$1"), 30, $hGUI) Else MsgBox(16 + 262144, "Error", "One or more images could not saved to " & StringRegExpReplace($sFile, "(.*)\\.*", "$1") & ".", 30, $hGUI) EndIf EndSwitch If WinActive($hGUI) Then $aMouseInfo = GUIGetCursorInfo($hGUI) Switch $aMouseInfo[4] Case $iPic_Histogram If $bImgLoaded Then $aPos_hWnd = WinGetPos($hGUI) $imp = Max(1, Min(256, -19 + $aMouseInfo[0])) Switch $s Case "L" $iVal = $aLuminosity[$imp] Case "C" $iVal = $aCRGB[$imp] Case "R" $iVal = DllStructGetData($tStructChannel0, "channel0", $imp) Case "G" $iVal = DllStructGetData($tStructChannel1, "channel1", $imp) Case "B" $iVal = DllStructGetData($tStructChannel2, "channel2", $imp) EndSwitch If $iMpos_oldx <> $aMouseInfo[0] Or $iMpos_oldy <> $aMouseInfo[1] Then ToolTip("Index: " & $imp & ", Value: " & Round($iVal, 0) & ", Average: " & Round($fAverage_L, 2), $aPos_hWnd[0] + $aMouseInfo[0] - 60, $aMouseInfo[1] + $aPos_hWnd[1] - 20) $iMpos_oldx = $aMouseInfo[0] $iMpos_oldy = $aMouseInfo[1] EndIf ShowPreview($iPic_Histogram) $bShow = True $bHide = False EndIf Case Else If Not $bHide Then GUISetState(@SW_HIDE, $hGui_Preview) $bHide = True ToolTip("") EndIf $bShow = False EndSwitch EndIf WEnd Func AnimateLabel() Local Static $v = Int((UBound($aLabelCredit_AnimPos) - ($fLimes * $fStep * 100)) / 2) Local $u For $u = 0 To UBound($aLabelCredit_Pos) - 1 GUICtrlSetPos($aLabelCredit_Pos[$u][3], $aLabelCredit_Pos[$u][1], $aLabelCredit_AnimPos[$v - $u]) Next If $v - $u < 0 Then $v = UBound($aLabelCredit_AnimPos) - 1 $v -= 1 EndFunc ;==>AnimateLabel Func Min($a, $b) If $a < $b Then Return $a Return $b EndFunc ;==>Min Func Max($a, $b) If $a > $b Then Return $a Return $b EndFunc ;==>Max Func ShowPreview($iCtrl) $aPosWin = WinGetPos($hGUI) $aPosCtrl = ControlGetPos($hGUI, "", $iCtrl) Local $iNewX, $iNewX1 = $aPosWin[0] - $ihGui_PreviewSize + 10, $iNewX2 = $aPosWin[0] + $aPosWin[2] - 10 $iNewX = $iNewX1 If $iNewX1 < $aFullScreen[0] Then $iNewX = $iNewX2 EndIf WinMove($hGui_Preview, "", $iNewX, $aPosWin[1] + 50) GUISetState(@SW_SHOWNOACTIVATE, $hGui_Preview) EndFunc ;==>ShowPreview Func _GetImage($sFile, $iWH, $iBkClr = 0xFFFFFF, $bCheckerboard_Bg = True) Local $hBmp1, $hBitmap, $hGraphic, $hImage, $iW, $iH, $aGS, $hBmp2, $aFTS $aFTS = FileGetTime($sFile) If @error Then Return SetError(1, 0, 0) $hBmp1 = _WinAPI_CreateBitmap($iWH, $iWH, 1, 32) $hBitmap = _GDIPlus_BitmapCreateFromHBITMAP($hBmp1) $hGraphic = _GDIPlus_ImageGetGraphicsContext($hBitmap) _WinAPI_DeleteObject($hBmp1) $hImage = _GDIPlus_ImageLoadFromFile($sFile) $iW = _GDIPlus_ImageGetWidth($hImage) $iH = _GDIPlus_ImageGetHeight($hImage) GUICtrlSetData($idLabel_Info, StringRegExpReplace($sFile, ".*\\(.*)", "$1") & @LF & Round(FileGetSize($sFile) / 1024, 0) & " kb (" & $iW & " x " & $iH & ")" & @LF & $aFTS[0] & "/" & $aFTS[1] & "/" & $aFTS[2] & " " & $aFTS[3] & ":" & $aFTS[4] & ":" & $aFTS[5] & @LF & "Alpha: " & $bIsAlpha & ", Gray: " & $bIsGray) $aGS = _GetScale($iW, $iH, $iWH) Switch $bCheckerboard_Bg Case True ;~ _GDIPlus_GraphicsFillRect($hGraphic, 0, 0, $iWH, $iWH, $hTexture_Checkerboard) _GDIPlus_GraphicsClear($hGraphic, BitOR(0xFF000000, $iBkClr)) _GDIPlus_GraphicsFillRect($hGraphic, $aGS[0], $aGS[1], $aGS[2], $aGS[3], $hTexture_Checkerboard) Case False _GDIPlus_GraphicsClear($hGraphic, BitOR(0xFF000000, $iBkClr)) EndSwitch _GDIPlus_GraphicsDrawImageRect($hGraphic, $hImage, $aGS[0], $aGS[1], $aGS[2], $aGS[3]) _GDIPlus_ImageDispose($hImage) _GDIPlus_GraphicsDispose($hGraphic) $hBmp2 = _GDIPlus_BitmapCreateHBITMAPFromBitmap($hBitmap) _GDIPlus_BitmapDispose($hBitmap) Return $hBmp2 EndFunc ;==>_GetImage Func _GetScale($iW, $iH, $iWH) Local $aRet[4] If $iW <= $iWH And $iH <= $iWH Then $aRet[2] = $iW $aRet[3] = $iH $aRet[0] = ($iWH - $aRet[2]) / 2 $aRet[1] = ($iWH - $aRet[3]) / 2 ElseIf $iW > $iH Then $aRet[2] = $iWH $aRet[3] = $iH / ($iW / $iWH) $aRet[0] = 0 $aRet[1] = ($iWH - $aRet[3]) / 2 ElseIf $iW < $iH Then $aRet[2] = $iW / ($iH / $iWH) $aRet[3] = $iWH $aRet[0] = ($iWH - $aRet[2]) / 2 $aRet[1] = 0 ElseIf $iW = $iH Then $aRet[2] = $iWH $aRet[3] = $iWH $aRet[0] = 0 $aRet[1] = 0 EndIf Return $aRet EndFunc ;==>_GetScale Func _hBmpToPicControl($iCID, ByRef $hBmp, $iFlag = 0) Local $hOldBmp $hOldBmp = GUICtrlSendMsg($iCID, $STM_SETIMAGE, $IMAGE_BITMAP, $hBmp) If $hOldBmp Then _WinAPI_DeleteObject($hOldBmp) If $iFlag Then _WinAPI_DeleteObject($hBmp) EndFunc ;==>_hBmpToPicControl Func _GDIPlus_CreateHistogram($sRounding = "Ceiling") Local $iMaxL, $iMaxC, $iMaxR, $iMaxG, $iMaxB, $a, $r, $g, $b, $yR, $yG, $yB, $iRedAv, $iGreenAv, $iBlueAv For $i = 1 + $bIsAlpha To 256 If $bIsAlpha Then ;~ ConsoleWrite("Alpha: " & DllStructGetData($tStructChannel0, "channel0", $i) & @CRLF) $r = DllStructGetData($tStructChannel1, "channel1", $i) $yR = $r * $frY If DllStructGetData($tStructChannel1 , "channel1", $i) > $iMaxR Then $iMaxR = $r $g = DllStructGetData($tStructChannel2, "channel2", $i) $yG = $g * $fgY If DllStructGetData($tStructChannel2 , "channel2", $i) > $iMaxG Then $iMaxG = $g $b = DllStructGetData($tStructChannel3, "channel3", $i) $yB = $b * $fbY If DllStructGetData($tStructChannel3 , "channel3", $i) > $iMaxB Then $iMaxB = $b $fAverage_cRGB += $r + $g + $b $fAverage_L += $yR + $yG + $yB Else $r = DllStructGetData($tStructChannel0, "channel0", $i) $yR = $r * $frY If DllStructGetData($tStructChannel0 , "channel0", $i) > $iMaxR Then $iMaxR = $r $g = DllStructGetData($tStructChannel1, "channel1", $i) $yG = $g * $fgY If DllStructGetData($tStructChannel1 , "channel1", $i) > $iMaxG Then $iMaxG = $g $b = DllStructGetData($tStructChannel2, "channel2", $i) $yB = $b * $fbY If DllStructGetData($tStructChannel2 , "channel2", $i) > $iMaxB Then $iMaxB = $b EndIf $fAverage_cRGB += $r + $g + $b $fAverage_L += $yR + $yG + $yB $aLuminosity[$i] = $yR + $yG + $yB If $aLuminosity[$i] > $iMaxL Then $iMaxL = $aLuminosity[$i] $aCRGB[$i] = ($r + $g + $b) / 3 If $aCRGB[$i] > $iMaxC Then $iMaxC = $aCRGB[$i] Next $fAverage_cRGB /= 256 * 3 $fAverage_L /= 256 _GDIPlus_GraphicsClear($hCtxt_HL, 0xFFFFFFFF) _GDIPlus_GraphicsClear($hCtxt_HC, 0xFFFFFFFF) _GDIPlus_GraphicsClear($hCtxt_HR, 0xFFFFFFFF) _GDIPlus_GraphicsClear($hCtxt_HG, 0xFFFFFFFF) _GDIPlus_GraphicsClear($hCtxt_HB, 0xFFFFFFFF) Local $iDL = 1, $iDC = 1, $iDR = 1, $iDG = 1, $iDB = 1 Local $sRoundings = "Round,Ceiling,Floor," If Not StringInStr($sRoundings, $sRounding) Then $sRounding = "Ceiling" If $iMaxL > 128 Then ;~ $iDL = Ceiling($iMaxL / 128) $iDL = Execute($sRounding & "(" & $iMaxL / 128 & ")") Else $iDL = 1 / (128 / $iMaxL) EndIf If $iMaxC > 128 Then ;~ $iDC = Ceiling($iMaxC / 128) $iDC = Execute($sRounding & "(" & $iMaxC / 128 & ")") Else $iDC = 1 / (128 / $iMaxC) EndIf If $iMaxR > 128 Then ;~ $iDR = Ceiling($iMaxR / 128) $iDR = Execute($sRounding & "(" & $iMaxR / 128 & ")") Else $iDR = 1 / (128 / $iMaxR) EndIf If $iMaxG > 128 Then ;~ $iDG = Ceiling($iMaxG / 128) $iDG = Execute($sRounding & "(" & $iMaxG / 128 & ")") Else $iDG = 1 / (128 / $iMaxG) EndIf If $iMaxB > 128 Then ;~ $iDB = Ceiling($iMaxB / 128) $iDB = Execute($sRounding & "(" & $iMaxB / 128 & ")") Else $iDB = 1 / (128 / $iMaxB) EndIf For $i = 1 To 256 _GDIPlus_PenSetColor($hPen_H, 0xFF000000) _GDIPlus_GraphicsDrawLine($hCtxt_HL, $i - 1, 127, $i - 1, 127 - (Int($aLuminosity[$i] / $iDL)), $hPen_H) _GDIPlus_PenSetColor($hPen_H, 0xFF000000) _GDIPlus_GraphicsDrawLine($hCtxt_HC, $i - 1, 127, $i - 1, 127 - (Int($aCRGB[$i] / $iDC)), $hPen_H) _GDIPlus_PenSetColor($hPen_H, 0xFFB00000) If $bIsAlpha Then _GDIPlus_GraphicsDrawLine($hCtxt_HR, $i - 1, 127, $i - 1, 127 - (Int(DllStructGetData($tStructChannel1, "channel1", $i) / $iDR)), $hPen_H) _GDIPlus_PenSetColor($hPen_H, 0xFF00B000) _GDIPlus_GraphicsDrawLine($hCtxt_HG, $i - 1, 127, $i - 1, 127 - (Int(DllStructGetData($tStructChannel2, "channel2", $i) / $iDG)), $hPen_H) _GDIPlus_PenSetColor($hPen_H, 0xFF0000B0) _GDIPlus_GraphicsDrawLine($hCtxt_HB, $i - 1, 127, $i - 1, 127 - (Int(DllStructGetData($tStructChannel3, "channel3", $i) / $iDB)), $hPen_H) Else _GDIPlus_GraphicsDrawLine($hCtxt_HR, $i - 1, 127, $i - 1, 127 - (Int(DllStructGetData($tStructChannel0, "channel0", $i) / $iDR)), $hPen_H) _GDIPlus_PenSetColor($hPen_H, 0xFF00B000) _GDIPlus_GraphicsDrawLine($hCtxt_HG, $i - 1, 127, $i - 1, 127 - (Int(DllStructGetData($tStructChannel1, "channel1", $i) / $iDG)), $hPen_H) _GDIPlus_PenSetColor($hPen_H, 0xFF0000B0) _GDIPlus_GraphicsDrawLine($hCtxt_HB, $i - 1, 127, $i - 1, 127 - (Int(DllStructGetData($tStructChannel2, "channel2", $i) / $iDB)), $hPen_H) EndIf Next EndFunc ;==>_GDIPlus_CreateHistogram Func _GDIPlus_CreateColorGradient($sColorChannel, $iW, $iH, $bHBitmap = True) Local $hBitmap = _GDIPlus_BitmapCreateFromScan0($iW, $iH) Local $hCtxt = _GDIPlus_ImageGetGraphicsContext($hBitmap) ;~ _GDIPlus_GraphicsSetSmoothingMode($hCtxt, 2) Local $hPen = _GDIPlus_PenCreate() _GDIPlus_PenSetLineJoin($hPen, $iLineJoinBevel) Local $i, $c For $i = 0 To $iW $c = Hex($i, 2) Switch $sColorChannel Case "L" _GDIPlus_PenSetColor($hPen, "0xFF" & $c & $c & $c) Case "C" _GDIPlus_PenSetColor($hPen, "0xFF" & $c & $c & $c) Case "R" _GDIPlus_PenSetColor($hPen, "0xFF" & $c & "0000") Case "G" _GDIPlus_PenSetColor($hPen, "0xFF00" & $c & "00") Case "B" _GDIPlus_PenSetColor($hPen, "0xFF0000" & $c) EndSwitch _GDIPlus_GraphicsDrawLine($hCtxt, $i, 0, $i, $iH, $hPen) Next _GDIPlus_GraphicsDispose($hCtxt) _GDIPlus_PenDispose($hPen) If $bHBitmap Then Local $hHBmp = _GDIPlus_BitmapCreateHBITMAPFromBitmap($hBitmap) _GDIPlus_BitmapDispose($hBitmap) Return $hHBmp EndIf Return $hBitmap EndFunc ;==>_GDIPlus_CreateColorGradient Func _GDIPlus_CreateCheckerboardTexture($iSquareSize = 80, $iCol1 = 0xFFECECEC, $iCol2 = 0xFFDFDFDF) Local $hPatternBitmap = _GDIPlus_BitmapCreateFromScan0(2 * $iSquareSize, 2 * $iSquareSize) Local $hCtxt = _GDIPlus_ImageGetGraphicsContext($hPatternBitmap) Local $hBrush0 = _GDIPlus_BrushCreateSolid($iCol1) Local $hBrush1 = _GDIPlus_BrushCreateSolid($iCol2) _GDIPlus_GraphicsFillRect($hCtxt, 0, 0, $iSquareSize, $iSquareSize, $hBrush0) _GDIPlus_GraphicsFillRect($hCtxt, $iSquareSize, 0, $iSquareSize, $iSquareSize, $hBrush1) _GDIPlus_GraphicsFillRect($hCtxt, 0, $iSquareSize, $iSquareSize, $iSquareSize, $hBrush1) _GDIPlus_GraphicsFillRect($hCtxt, $iSquareSize, $iSquareSize, $iSquareSize, $iSquareSize, $hBrush0) Local $hTexture = _GDIPlus_TextureCreate($hPatternBitmap) _GDIPlus_GraphicsDispose($hCtxt) _GDIPlus_BitmapDispose($hPatternBitmap) _GDIPlus_BitmapDispose($hBrush0) _GDIPlus_BitmapDispose($hBrush1) Return $hTexture EndFunc ;==>_CreatePatternTexture GdipBitmapGetHistogram(), GdipBitmapGetHistogramSize() and 2 more GDI+ functions requires GDI+ v1.1 which means this will only run on Vista or higher operating systems. I hope the values are correct especially the value for luminosity. Br, UEZ